Analysis
- max time kernel
151s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/03/2023, 01:40
General
- Target setup.exe
- Size 178KB
- Sample230321-b3kr6agc66
- SHA256 0487bf1bf042cd5e1ddca7d6ca3edab3ca4fc18e1b1e1de297b131e340755562
Malware Config
Extracted
-
smokeloader
-
sprg
Extracted
-
smokeloader
-
2022
-
http://hoh0aeghwugh2gie.com/
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http://hie7doodohpae4na.com/
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http://aek0aicifaloh1yo.com/
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http://yic0oosaeiy7ahng.com/
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http://wa5zu7sekai8xeih.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 19 IoCs
- Suspicious use of WriteProcessMemory 33 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/736-172-0x0000000000350000-0x000000000035F000-memory.dmp
memory/736-152-0x0000000000870000-0x0000000000879000-memory.dmp
memory/736-153-0x0000000000870000-0x0000000000879000-memory.dmp
memory/1416-156-0x0000000000B00000-0x0000000000B27000-memory.dmp
memory/1416-174-0x0000000000ED0000-0x0000000000EDC000-memory.dmp
memory/1416-158-0x0000000000B00000-0x0000000000B27000-memory.dmp
memory/1416-157-0x0000000000ED0000-0x0000000000EDC000-memory.dmp
memory/2588-135-0x0000000000C30000-0x0000000000C46000-memory.dmp
memory/3388-166-0x0000000000700000-0x000000000070D000-memory.dmp
memory/3388-177-0x00000000008A0000-0x00000000008AB000-memory.dmp
memory/3388-165-0x00000000008A0000-0x00000000008AB000-memory.dmp
memory/3388-164-0x0000000000700000-0x000000000070D000-memory.dmp
memory/3724-171-0x0000000001610000-0x000000000161B000-memory.dmp
memory/3724-151-0x0000000000350000-0x000000000035F000-memory.dmp
memory/3724-150-0x0000000001610000-0x000000000161B000-memory.dmp
memory/3724-149-0x0000000000350000-0x000000000035F000-memory.dmp
memory/3940-155-0x0000000000ED0000-0x0000000000EDC000-memory.dmp
memory/3940-154-0x0000000000ED0000-0x0000000000EDC000-memory.dmp
memory/3940-173-0x0000000000870000-0x0000000000879000-memory.dmp
memory/4272-162-0x00000000008A0000-0x00000000008AB000-memory.dmp
memory/4272-163-0x00000000008A0000-0x00000000008AB000-memory.dmp
memory/4272-176-0x00000000016E0000-0x00000000016E9000-memory.dmp
memory/4720-134-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4720-136-0x0000000000400000-0x00000000004AD000-memory.dmp
memory/4900-170-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4900-148-0x0000000001610000-0x000000000161B000-memory.dmp
memory/4900-147-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4900-146-0x0000000001610000-0x000000000161B000-memory.dmp
memory/4940-168-0x0000000000700000-0x000000000070D000-memory.dmp
memory/4940-169-0x0000000000B80000-0x0000000000B8B000-memory.dmp
memory/4940-167-0x0000000000B80000-0x0000000000B8B000-memory.dmp
memory/4940-178-0x0000000000700000-0x000000000070D000-memory.dmp
memory/5072-161-0x00000000016E0000-0x00000000016E9000-memory.dmp
memory/5072-160-0x0000000000B00000-0x0000000000B27000-memory.dmp
memory/5072-159-0x00000000016E0000-0x00000000016E9000-memory.dmp
memory/5072-175-0x0000000000B00000-0x0000000000B27000-memory.dmp